128804810

素因数分解:

$2^1\times 5^1\times {\mathrm{3229}}^1\times {\mathrm{3989}}^1$

素因数の和:7225

約数の個数: 16

約数和(自身を含む): 231978600

約数和(自身を除く): 103173790

約数列:

[1, 2, 5, 10, 3229, 3989, 6458, 7978, 16145, 19945, 32290, 39890, 12880481, 25760962, 64402405, 128804810]

約数ペア:

[(1, 128804810), (2, 64402405), (5, 25760962), (10, 12880481), (3229, 39890), (3989, 32290), (6458, 19945), (7978, 16145)]